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Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
Phys Rev Lett. 2001 Oct 1;87(14):141802. doi: 10.1103/PhysRevLett.87.141802. Epub 2001 Sep 14.
We present results from a measurement of double diffraction dissociation in pp collisions at the Fermilab Tevatron collider. The production cross section for events with a central pseudorapidity gap of width Deltaeta(0)>3 (overlapping eta = 0) is found to be 4.43+/-0.02(stat)+/-1.18(syst) mb [ 3.42+/-0.01(stat)+/-1.09(syst) mb] at square root of (s) = 1800[630] GeV. Our results are compared with previous measurements and with predictions based on Regge theory and factorization.
我们展示了在费米实验室万亿电子伏特加速器对撞机的质子-质子碰撞中双衍射解离测量的结果。发现对于中心赝快度间隙宽度(\Delta\eta(0)>3)（重叠(\eta = 0)）的事件，在(\sqrt{s}=1800[630])GeV时，产生截面为(4.43\pm0.02)（统计）(\pm1.18)（系统）mb [ (3.42\pm0.01)（统计）(\pm1.09)（系统）mb]。我们的结果与先前的测量以及基于雷吉理论和因子化的预测进行了比较。
